ZA847571B - Improvements in or relating to modulators - Google Patents

Improvements in or relating to modulators

Info

Publication number
ZA847571B
ZA847571B ZA847571A ZA847571A ZA847571B ZA 847571 B ZA847571 B ZA 847571B ZA 847571 A ZA847571 A ZA 847571A ZA 847571 A ZA847571 A ZA 847571A ZA 847571 B ZA847571 B ZA 847571B
Authority
ZA
South Africa
Prior art keywords
modulators
relating
Prior art date
Application number
ZA847571A
Other languages
English (en)
Inventor
William James Stewart
Original Assignee
Plessey Overseas
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Plessey Overseas filed Critical Plessey Overseas
Publication of ZA847571B publication Critical patent/ZA847571B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/21—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  by interference
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/21—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  by interference
    • G02F1/225—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  by interference in an optical waveguide structure
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/03—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/21—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  by interference
    • G02F1/212—Mach-Zehnder type
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/21—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  by interference
    • G02F1/213—Fabry-Perot type

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Lasers (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Optical Integrated Circuits (AREA)
  • Optical Communication System (AREA)
ZA847571A 1983-09-26 1984-09-26 Improvements in or relating to modulators ZA847571B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838325720A GB8325720D0 (en) 1983-09-26 1983-09-26 Electro-optic modulator

Publications (1)

Publication Number Publication Date
ZA847571B true ZA847571B (en) 1985-05-29

Family

ID=10549312

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA847571A ZA847571B (en) 1983-09-26 1984-09-26 Improvements in or relating to modulators

Country Status (8)

Country Link
EP (1) EP0140578A1 (no)
JP (1) JPS60502272A (no)
AU (1) AU3431684A (no)
DK (1) DK234085D0 (no)
GB (2) GB8325720D0 (no)
NO (1) NO852090L (no)
WO (1) WO1985001592A1 (no)
ZA (1) ZA847571B (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3613738A1 (de) * 1986-04-23 1987-10-29 Sohler Wolfgang Signaluebertragungsvorrichtung mit integriert elektro-optischem lichtmodulator
JP2703244B2 (ja) * 1988-01-14 1998-01-26 日本電信電話株式会社 光スイッチ
JP2788652B2 (ja) * 1989-06-30 1998-08-20 日立電線株式会社 希土類元素添加ガラス導波路の製造方法
US7006716B2 (en) * 2001-09-17 2006-02-28 Intel Corporation Method and apparatus for switching and modulating an optical signal with enhanced sensitivity
CN104570541A (zh) * 2015-01-15 2015-04-29 苏州旭创科技有限公司 电光调制器

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1022323A (en) * 1962-06-15 1966-03-09 Standard Telephones Cables Ltd Improvements in or relating to light modulating apparatus
US3164665A (en) * 1962-07-30 1965-01-05 Hughes Aircraft Co Electro-optical light shutter
US3589794A (en) * 1968-08-07 1971-06-29 Bell Telephone Labor Inc Optical circuits
US3549236A (en) * 1968-09-30 1970-12-22 Us Army Optical frequency discriminator with dual frequency resonator
US3558213A (en) * 1969-04-25 1971-01-26 Bell Telephone Labor Inc Optical frequency filters using disc cavity
US3748246A (en) * 1971-10-08 1973-07-24 Bell Telephone Labor Inc Dielectric circuit forming process
FR2226678A1 (en) * 1973-04-18 1974-11-15 Marie G R P Waveguide coupler for visible or I.R. radiation - pairs of semiconductor resonators of square cross-section
US3930718A (en) * 1974-04-12 1976-01-06 The United States Of America As Represented By The Secretary Of The Navy Electro-optic modulator
US4119930A (en) * 1976-09-24 1978-10-10 Hughes Aircraft Company Coupling modulation in travelling wave resonator
US4198115A (en) * 1978-08-16 1980-04-15 Bell Telephone Laboratories, Incorporated Fabry-Perot resonator using a birefringent crystal

Also Published As

Publication number Publication date
GB2147115A (en) 1985-05-01
WO1985001592A1 (en) 1985-04-11
GB8424306D0 (en) 1984-10-31
DK234085A (da) 1985-05-24
NO852090L (no) 1985-05-24
DK234085D0 (da) 1985-05-24
GB8325720D0 (en) 1983-11-16
AU3431684A (en) 1985-04-23
EP0140578A1 (en) 1985-05-08
JPS60502272A (ja) 1985-12-26

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